53011200 has 216 divisors, whose sum is σ = 191612736. Its totient is φ = 12800000.

The previous prime is 53011199. The next prime is 53011201. The reversal of 53011200 is 211035.

It is an interprime number because it is at equal distance from previous prime (53011199) and next prime (53011201).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (53011201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211075 + ... + 211325.

It is an arithmetic number, because the mean of its divisors is an integer number (887096).

Almost surely, 2^53011200 is an apocalyptic number.

53011200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95806368).

53011200 is an abundant number, since it is smaller than the sum of its proper divisors (138601536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53011200 is a wasteful number, since it uses less digits than its factorization.

53011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 53011200 is about 7280.8790678049. The cubic root of 53011200 is about 375.6550329299.

Adding to 53011200 its reverse (211035), we get a palindrome (53222235).

The spelling of 53011200 in words is "fifty-three million, eleven thousand, two hundred".